A survey of 323 studies in behavioral disorders/emotional disturbance was conducted to determine the nature and prevalence of identification criteria to select subjects. Findings revealed a divergent picture of the nature of prevalence of behavorial disorders/emotional disturbance, and a lack of consensus regarding standard identification…

This article reviews research conducted by the author and colleagues over a 27-year period on enhancement of peer-related social skills in young children with behavioral disorders or autism. It argues that a logical positivist approach has yielded significant quality-of-life benefits to participants while effectively challenging many outdated…

Discusses logic and interpretation problems inherent in doing quantitative syntheses of single-case research. Addresses the meta-analytic method of using percentage of nonoverlapping data, highlighting special concerns related to withdrawal designs, sensitivity to variability in behavior, social significance of behavior change, and variables that…